# SDR YENA2020073000406

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2020
- Submitted: July 30, 2020
- Operation: Air carrier
- Aircraft: [N995JL](https://openairdocs.org/aircraft/N995JL), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 8293
- Aircraft time: 8,043 hours, 2,629 cycles
- System (JASC): [2730 · Elevator Control System](https://openairdocs.org/jasc/2730)
- Part: Servo Valve
- Part number: A68793007
- Part serial: B36375
- Condition: Failed
- Location: Elevator
- Part time: 8,038 hours, 2,627 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2020073000406

## Discrepancy

FLT 1584,  VERTICAL VIBRATION FOR 20-30S AIRSPEED 321 VIBRATION CAME AND WENT AT CONT SPD SLOWED IAS AND DID NOT RETURN.  TROUBLESHOT IAW TSM 05-50-00-810-801A,  IDENTIFIED ELEVATOR AT FAULT IAW DECISION TABLE.   NO EXCESSIVE PLAY ON SERVOS OR HINGES NOTED; NO ELEVATOR OSCILATION NOTED, ADJUSTMENT OF ELEVATOR WITHIN LIMITS FOUND LT SERVO PITCHING UP WHEN ELAC 1 SELECTED. R & R SERVO SOLENOID OPS NORMAL

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